IBM04368CBLBC
IBM04188CBLBC
8Mb (256K x 36 & 512K x 18) SRAM
JTAG AC Characteristics (TA = 0 to +85°C, VDD = 2.5V 5%)
Symbol
tTHTH
Parameter
Min.
20
7
Max.
Units
ns
Notes
TCK Cycle Time
TCK High Pulse Width
TCK Low Pulse Width
TMS Setup
tTHTL
tTLTH
tMVTH
tTHMX
tDVTH
tTHDX
tTLOV
ns
7
ns
4
ns
TMS Hold
4
ns
TDI Setup
4
ns
TDI Hold
4
ns
TCK Low to Valid Data
7
ns
1
1. See AC Test Loading on page 11.
JTAG Timing Diagram
tTHTL
tTLTH
tTHTH
TCK
TMS
tTHMX
tTHDX
tMVTH
TDI
tDVTH
TDO
tTLOV
CBLBC_ds.fm.00
June 7, 2002
Page 16 of 24